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EP 3 440 172 A1

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(43) Date of publication: 13.02.2019 Bulletin 2019/07 (21) Application number: 17705155.4 (22) Date of filing: 20.02.2017

(51) International Patent Classification (IPC):  C11D 1/83(2006.01) C11D 1/06(2006.01) C11D 1/29(2006.01) C11D 3/37(2006.01) C11D 1/22(2006.01) C11D 1/72(2006.01) (86) International application number: PCT/EP2017/053799 (87) International publication number: WO 2017/174251 (12.10.2017 Gazette 2017/41)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 08.04.2016 EP 16164561 (71) Applicants: Unilever PLC London, Greater London EC4Y 0DY (GB) CY GB IE MT  Unilever N.V. 3013 AL Rotterdam (NL) AL AT BE BG CH CZ DE DK EE ES FI FR GR HR HU IS IT LI LT LU LV MC MK NL NO PL PT RO RS SE SI SK SM TR

(72) Inventors: BATCHELOR, Stephen, Norman Wirral Merseyside CH63 3JW (GB) BIRD, Jayne, Michelle Cheshire, CH66 2HT (GB) (74) Representative: McHugh, Paul Edward  Unilever PLC Unilever Patent Group Colworth House Sharnbrook Bedford Bedfordshire MK44 1LQ Bedford Bedfordshire MK44 1LQ (GB)